Which one of the following compounds is an additional polymer?
Correct answer: A. Polyvinyl chloride
- A. Polyvinyl chloride
- B. Nylon
- C. Carbohydrate
- D. Polyester
Explanation
An 'addition polymer' is a polymer which consists of monomers, that add on to each other or combine without the formation of a secondary product, whereas in 'condensation polymers', the functional groups of monomers condense, such that a secondary product, such as H2O, is also formed. Out of all these options, only option A is an addition polymer, whereas all three others are condensation polymers.
This question appeared on the UHS MDCAT 2019 paper, which you can sit online with every answer explained.
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About Polymers
Polymers are large molecules made from repeating monomer units joined by covalent bonds. The topic distinguishes addition polymers such as polyethylene, PVC and polystyrene from condensation polymers such as nylon and polyester, and relates chain structure to thermoplastics, thermosetting polymers, elastomers, properties, uses and environmental concerns.
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